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glutathione

[gloo-tuh-thahy-ohn]
noun Biochemistry.
  1. a crystalline, water-soluble peptide of glutamic acid, cysteine, and glycine, C10H17N3O6S, found in blood and in animal and plant tissues, and important in tissue oxidations and in the activation of some enzymes.
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Origin of glutathione

First recorded in 1920–25; gluta(mic acid) + thi- + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for glutathione

glutathione

noun
  1. biochem a tripeptide consisting of glutamic acid, cysteine, and glycine: important in biological oxidations and the activation of some enzymes. Formula: C 10 H 17 N 3 O 6 S
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Word Origin

C20: from gluta (mic acid) + thi- + -one
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

glutathione in Medicine

glutathione

(glōō′tə-thīōn′)
n.
  1. A tripeptide of the amino acids glycine, cystine, and glutamic acid occurring widely in plant and animal tissues and forming reduced and oxidized forms important in biological oxidation-reduction reactions.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

glutathione in Science

glutathione

[glōō′tə-thīōn′]
  1. A polypeptide consisting of glycine, cysteine, and glutamic acid that occurs widely in plant and animal tissues. It is important in cellular respiration in both plants and animals, and serves as a cofactor for many enzymes. It is a major protective mechanism against oxidative stress. For example, it protects red blood cells from hydrogen peroxide, a toxic byproduct of certain metabolic reactions.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.